| Participants in household surveys (N = 6485) | Febrile outpatients, health facility exit interviews (N = 226) | ||||
---|---|---|---|---|---|---|
N | % | 95% CI | N | % | 95% CI | |
Total | 6485 | 100.0 | – | 226 | 100.0 | – |
Sex | ||||||
 Male | 2846 | 43.9 | (42.9–45.0) | 99 | 43.8 | (38.4–49.2) |
 Female | 3623 | 55.9 | (55.0–57.0) | 127 | 56.2 | (50.8–61.6) |
 Missing | 16 | 0.2 | – | 0 | 0.0 | – |
Age (years) | ||||||
 0–4 | 1153 | 17.8 | (17.0–18.6) | 148 | 65.5 | (60.3–70.7) |
 5–9 | 1014 | 15.6 | (14.8–16.3) | 48 | 21.2 | (16.8–25.7) |
 10–14 | 775 | 11.9 | (11.3–12.6) | 9 | 4.0 | (1.8–6.1) |
 15–24 | 990 | 15.3 | (14.6–16.1) | 6 | 2.7 | (0.9–4.4) |
 25–44 | 1437 | 22.2 | (21.4–23.1) | 10 | 4.4 | (2.2–6.7) |
 45–59 | 559 | 8.6 | (8.1–9.2) | 3 | 1.3 | (0.1–2.6) |
 60–100 | 454 | 7.0 | (6.5–7.65) | 2 | 0.9 | (− 0.1 to 1.9) |
 Missing | 103 | 1.6 | – | 0 | 0.0 | – |
Area | ||||||
 Urban | 2205 | 34.0 | (33.0–35.0) | 50 | 22.1 | (17.6–26.7) |
 Rural | 4280 | 66.0 | (65.0–67.0) | 176 | 77.9 | (73.3–82.4) |
 Missing | 0 | 0.0 |  | 0 | 0.0 |  |
Region | ||||||
 Mwanza | 2362 | 36.4 | (35.4–37.4) | 45 | 19.9 | (15.5–24.3) |
 Mbeya | 1982 | 30.6 | (29.6–31.5) | 37 | 16.4 | (12.3–20.4) |
 Mtwara | 2141 | 33.0 | (32.1–34.0) | 144 | 63.7 | (58.5–69.0) |
 Missing | 0 | 0.0 | – | 0 | 0.0 | – |
Had a fever in the previous 2Â weeksa | ||||||
 Yes | 1039 | 16.0 | (15.3–16.8) | 100 | – | – |
 No | 5440 | 83.9 | (83.1–84.6) | 0 | – | – |
 Don’t know | 6 | 0.1 | – | 0 | – | – |
RDT result | Â | Â | Â | Â | Â | Â |
 Positive | 1136 | 17.5 | (16.7–18.3) | 106 | 46.9 | (41.4–52.4) |
 Negative | 5346 | 82.5 | (81.7–83.3) | 119 | 52.7 | (47.2–58.2) |
 Missing | 3 | 0.0 | – | 1 | 0.4 | – |
Took any anti-malarial drugs in the previous 4Â weeksa | ||||||
 Yes | 810 | 12.5 | (11.8–13.2) | NAb |  |  |
 No | 5664 | 87.3 | (86.7–88.0) | NA |  |  |
 Don’t know | 11 | 0.2 | – | NA |  |  |